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WOOD 23-66 2022 CALIFORNIA BUILDING CODE TABLE 2308.7.2(1) RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling not attached to rafters, L/ǻ = 180) (continued) RAFTER SPACING (inches) SPECIES AND GRADE DEAD LOAD = 10 psf DEAD LOAD = 20 psf 2 × 4 2 × 6 2 × 8 2 × 10 2 × 12 2 × 4 2 × 6 2 × 8 2 × 10 2 × 12 Maximum rafter spansa (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) (ft. - in.) 12 Douglas Fir-Larch SS 11-6 18-0 23-9 Note b Note b 11-6 18-0 23-5 Note b Note b Douglas Fir-Larch #1 11-1 17-4 22-5 Note b Note b 10-6 15-4 19-5 23-9 Note b Douglas Fir-Larch #2 10-10 16-7 21-0 25-8 Note b 9-10 14-4 18-2 22-3 25-9 Douglas Fir-Larch #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Hem-Fir SS 10-10 17-0 22-5 Note b Note b 10-10 17-0 22-5 Note b Note b Hem-Fir #1 10 -7 16-8 21-10 Note b Note b 10-3 14-11 18-11 23-2 Note b Hem-Fir #2 10-1 15-11 20-8 25-3 Note b 9-8 14-2 17-11 21-11 25-5 Hem-Fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Southern Pine SS 11-3 17-8 23-4 Note b Note b 11-3 17-8 23-4 Note b Note b Southern Pine #1 10-10 17-0 22-5 26-0 26-0 10-6 15-8 19-10 23-2 Note b Southern Pine #2 10-4 15-7 19-8 23-5 26-0 9-0 13-6 17-1 20-3 23-10 Southern Pine #3 8-0 11-9 14-10 18-0 21-4 6-11 10-2 12-10 15-7 18-6 Spruce-Pine-Fir SS 10-7 16-8 21-11 Note b Note b 10-7 16-8 21-9 Note b Note b Spruce-Pine-Fir #1 10-4 16-3 21-0 25-8 Note b 9-10 14-4 18-2 22-3 25-9 Spruce-Pine-Fir #2 10-4 16-3 21-0 25-8 Note b 9-10 14-4 18-2 22-3 25-9 Spruce-Pine-Fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 16 Douglas Fir-Larch SS 10-5 16-4 21-7 Note b Note b 10-5 16-0 20-3 24-9 Note b Douglas Fir-Larch #1 10-0 15-4 19-5 23-9 Note b 9-1 13-3 16-10 20-7 23-10 Douglas Fir-Larch #2 9-10 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Douglas Fir-Larch #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 Hem-Fir SS 9-10 15-6 20-5 Note b Note b 9-10 15-6 19-11 24-4 Note b Hem-Fir #1 9-8 14-11 18-11 23-2 Note b 8-10 12-11 16-5 20-0 23-3 Hem-Fir #2 9-2 14-2 17-11 21-11 25-5 8-5 12-3 15-6 18-11 22-0 Hem-Fir #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 Southern Pine SS 10-3 16-1 21-2 Note b Note b 10-3 16-1 21-2 25-7 Note b Southern Pine #1 9-10 15-6 19-10 23-2 26-0 9-1 13-7 17-2 20-1 23-10 Southern Pine #2 9-0 13-6 17-1 20-3 23-10 7-9 11-8 14-9 17-6 20-8 Southern Pine #3 6-11 10-2 12-10 15-7 18-6 6-0 8-10 11-2 13-6 16-0 Spruce-Pine-Fir SS 9-8 15-2 19-11 25-5 Note b 9-8 14-10 18-10 23-0 Note b Spruce-Pine-Fir #1 9-5 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Spruce-Pine-Fir #2 9-5 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Spruce-Pine-Fir #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 Copyright © 2022 ICC. ALL RIGHTS RESERVED. Accessed by Benjamin Ionescu (bciengineering@sbcglobal.net), (-) Order Number #101592667 on Jul 25, 2023 05:51 PM (CDT) pursuant to License Agreement with ICC. No further reproduction, no further reproductions by any third party, or distribution authorized. Single user only, copying and networking prohibited. ANY UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT, AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER. 101592667 4 OF 4 5510 W Roosevelt Ave12/10/2024